13830847 has 4 divisors (see below), whose sum is σ = 13867720. Its totient is φ = 13793976.

The previous prime is 13830833. The next prime is 13830851. The reversal of 13830847 is 74803831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74803831 = 347 ⋅215573.

It is a cyclic number.

It is not a de Polignac number, because 13830847 - 2¹¹ = 13828799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13831847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17868 + ... + 18625.

It is an arithmetic number, because the mean of its divisors is an integer number (3466930).

Almost surely, 2^13830847 is an apocalyptic number.

13830847 is a deficient number, since it is larger than the sum of its proper divisors (36873).

13830847 is an equidigital number, since it uses as much as digits as its factorization.

13830847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36872.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 13830847 is about 3718.9846732677. The cubic root of 13830847 is about 240.0396173025.

The spelling of 13830847 in words is "thirteen million, eight hundred thirty thousand, eight hundred forty-seven".